Join the Sleepover Club: Frankie, Kenny, Felicity, Rosie and Lyndsey, five girls who want to have fun – but who always end up in mischief. Da, da, da-da! Wedding bells are ringing for Fliss's mum and Andy, and Fliss and the rest of the gang are bridesmaids! But then Amber, the daughter of one of Fliss's mum's friends, arrives from LA and lords over everyone. Fliss's mum wants Amber to be one of her bridesmaids – which means that one of the Sleepover Club is going to be left out...